1. Department of Microbiology and Immunology, Allergy and Clinical Immunology Research unit KU Leuven Leuven Belgium
2. Clinical Department of Otorhinolaryngology, Head and Neck Surgery University Hospitals Leuven Leuven Belgium
3. Department of Otorhinolaryngology, Upper airways research laboratory Ghent University Ghent Belgium
4. Rhinology and Skull Base Unit, ENT Department, Hospital Clínic Universitat de Barcelona Barcelona Spain
5. Clinical and Experimental Respiratory Immunoallergy Institut d'Investigacions Biomèdiques August Pi I Sunyer (IDIBAPS) Barcelona Spain
6. Center of Biomedical Research in Respiratory Diseases (CIBERES) Barcelona Spain
7. Division of Otorhinolaryngology, Department of Ophthalmology, Otorhinolaryngology, Head and Neck Surgery Ribeirao Preto Medical School‐University of Sao Paulo Brazil
8. Department of Otorhinolaryngology University of Barcelona Barcelona Spain
9. Department of Otorhinolaryngology Hospital Clinic Barcelona Barcelona Spain
10. Department of Respiratory Medicine & Allergology Institute for Clinical Science, Skane University Hospital, Lund University Lund Sweden
11. Department of Otolaryngology‐Head and Neck Surgery University of Ottawa Ottawa Ontario Canada
12. Clinical Epidemiology Program The Ottawa Hospital Research Institute Ottawa Ontario Canada
13. Institut for Klinisk Medicin Aarhus University Aarhus Denmark
14. Dept. of Otorhinolaryngology and Center for Allergy and Environment (ZAUM), TUM School of Medicine Klinikum rechts der Isar, Technical University of Munich Munich Germany
15. 1st Department of Otorhinolaryngology, Medical School, Faculty of Health Sciences Aristotle University of Thessaloniki Thessaloniki Greece
16. The European Forum for Research and Education in Allergy and Airway Diseases Scientific Expert Team Members Brussels Belgium
17. Otolaryngology, Head and Neck Surgery, Rhinology A. Gemelli University Hospital Foundation, IRCSS Rome Italy
18. Department of ORL‐HNS Université de Montréal Montreal Canada
19. Department of Microbiology Immunology & Transplantation, KU Leuven Catholic University of Leuven Leuven Belgium
20. Department of Respiratory Medicine, First Faculty of Medicine Charles University and Thomayer Hospital Prague Czech Republic
21. Department of Clinical Pharmacy & Pharmacology University in Groningen, University Medical Center Groningen Groningen Netherlands
22. Department of Otolaryngology & Head and Neck Surgery Eastern Virginia Medical School Virginia USA
23. Personalized Medicine Asthma and Allergy—IRCCS Humanitas Research Hospital Rozzano Italy
24. Department of Biomedical Sciences Humanitas University Pieve Emanuele Italy
25. Ear, Nose and Throat Department Guys and St. Thomas Hospital London UK
26. Rhinology‐Olfactology Unit, Department of Otorhinolaryngology Head and Neck Surgery University Hospital of Geneva Geneva Switzerland
27. FCS‐UBI, Faculty of Health Sciences University of Beira Interior Covilhã Portugal
28. CICS‐UBI, Health Sciences Research Centre University of Beira Interior Covilhã Portugal
29. Royal National Ear Nose and Eastman Dental Hospital London UK
30. Otolaryngology‐HNS McGovern Medical School of the University of Texas Health Science Center Houston Texas USA
31. Rhinology Unit and Smell Clinic, ENT Department, Hospital Clínic, FRCB‐IDIBAPS Universitat de Barcelona, CIBERES Barcelona Spain
32. Division of Allergy and Immunology and Northwestern Sinus Center Northwestern University Feinberg School of Medicine Chicago Illinois USA
33. Rhinology & ENT Research Group, Norwich Medical School University of East Anglia Norwich UK
34. Norfolk & Waveney ENT Service James Paget and Norfolk & Norwich University Hospitals Norfolk UK
35. Department of Otorhinolaryngology Amsterdam University Medical Centres, University of Amsterdam Amsterdam The Netherlands
36. Allergy and Respiratory Research Group Usher Institute of Population Health Sciences and Informatics, University of Edinburgh Edinburgh UK
37. Royal National ENT Hospital, London and Division of Immunity and Infection University College London UK
38. Department of Otolaryngology/Head and Neck Surgery University of North Carolina Chapel Hill North Carolina USA
39. Department of General Otorhinolaryngology, H&N Surgery Medical University of Graz Graz Austria
40. Otolaryngology‐HNS Thomas Jefferson University Philadelphia Pennsylvania USA
41. Faculty of Medicine and Health Sciences University of Antwerp Antwerp Belgium
42. Department of Otorhinolaryngology Universitätsklinikum Düsseldorf Dusseldorf Germany